Clearance Length
Clearance length, abbreviated as \(d_3\), is the assumed distance between opposing vehicles at the end of passing maneuvers.
- See \(\large{ PSD }\) = passing sight distance
Clearance Length formula
\(\large{ d_3 = 100 \; ft \;to\; 300 \; ft }\) |
Where:
\(\large{ d_3 }\) = clearance length